./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d ..................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:22:42,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:22:42,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:22:42,440 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:22:42,440 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:22:42,442 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:22:42,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:22:42,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:22:42,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:22:42,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:22:42,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:22:42,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:22:42,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:22:42,450 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:22:42,451 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:22:42,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:22:42,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:22:42,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:22:42,460 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:22:42,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:22:42,463 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:22:42,464 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:22:42,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:22:42,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:22:42,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:22:42,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:22:42,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:22:42,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:22:42,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:22:42,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:22:42,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:22:42,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:22:42,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:22:42,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:22:42,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:22:42,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:22:42,476 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 07:22:42,491 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:22:42,492 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:22:42,493 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:22:42,493 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:22:42,493 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:22:42,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:22:42,494 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:22:42,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 07:22:42,494 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:22:42,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:22:42,495 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:22:42,495 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:22:42,495 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:22:42,495 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:22:42,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:22:42,495 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:22:42,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:22:42,496 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:22:42,496 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:22:42,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:22:42,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:22:42,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:22:42,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:22:42,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:22:42,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:22:42,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 07:22:42,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:22:42,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 07:22:42,498 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2019-01-12 07:22:42,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:22:42,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:22:42,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:22:42,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:22:42,573 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:22:42,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2019-01-12 07:22:42,642 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6c787d0/393f2c2400a840ee929d9efe8c4155ba/FLAGa1e218beb [2019-01-12 07:22:43,063 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:22:43,064 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2019-01-12 07:22:43,070 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6c787d0/393f2c2400a840ee929d9efe8c4155ba/FLAGa1e218beb [2019-01-12 07:22:43,460 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6c787d0/393f2c2400a840ee929d9efe8c4155ba [2019-01-12 07:22:43,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:22:43,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:22:43,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:22:43,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:22:43,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:22:43,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d26ae68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43, skipping insertion in model container [2019-01-12 07:22:43,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:22:43,513 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:22:43,768 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:22:43,775 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:22:43,806 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:22:43,825 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:22:43,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43 WrapperNode [2019-01-12 07:22:43,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:22:43,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:22:43,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:22:43,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:22:43,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:22:43,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:22:43,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:22:43,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:22:43,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... [2019-01-12 07:22:43,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:22:43,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:22:43,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:22:43,914 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:22:43,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:22:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:22:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:22:44,279 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:22:44,280 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 07:22:44,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:22:44 BoogieIcfgContainer [2019-01-12 07:22:44,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:22:44,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:22:44,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:22:44,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:22:44,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:22:43" (1/3) ... [2019-01-12 07:22:44,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58718fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:22:44, skipping insertion in model container [2019-01-12 07:22:44,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:43" (2/3) ... [2019-01-12 07:22:44,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58718fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:22:44, skipping insertion in model container [2019-01-12 07:22:44,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:22:44" (3/3) ... [2019-01-12 07:22:44,289 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2019-01-12 07:22:44,300 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:22:44,308 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:22:44,326 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:22:44,363 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:22:44,363 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:22:44,364 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:22:44,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:22:44,364 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:22:44,364 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:22:44,364 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:22:44,364 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:22:44,364 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:22:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-01-12 07:22:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-12 07:22:44,391 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:22:44,392 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-12 07:22:44,395 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:22:44,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:22:44,405 INFO L82 PathProgramCache]: Analyzing trace with hash 29647107, now seen corresponding path program 1 times [2019-01-12 07:22:44,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 07:22:44,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 07:22:44,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:22:44,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:22:44,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 07:22:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:22:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:22:44,578 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:22:44,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:22:44 BoogieIcfgContainer [2019-01-12 07:22:44,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:22:44,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:22:44,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:22:44,605 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:22:44,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:22:44" (3/4) ... [2019-01-12 07:22:44,613 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 07:22:44,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:22:44,614 INFO L168 Benchmark]: Toolchain (without parser) took 1148.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:22:44,618 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:22:44,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.54 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:22:44,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.01 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:22:44,621 INFO L168 Benchmark]: Boogie Preprocessor took 33.31 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:22:44,622 INFO L168 Benchmark]: RCFGBuilder took 367.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-12 07:22:44,624 INFO L168 Benchmark]: TraceAbstraction took 322.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 07:22:44,625 INFO L168 Benchmark]: Witness Printer took 8.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:22:44,640 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.54 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.01 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.31 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 367.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 322.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 8.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 07:22:47,182 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 07:22:47,184 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 07:22:47,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 07:22:47,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 07:22:47,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 07:22:47,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 07:22:47,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 07:22:47,203 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 07:22:47,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 07:22:47,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 07:22:47,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 07:22:47,206 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 07:22:47,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 07:22:47,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 07:22:47,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 07:22:47,210 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 07:22:47,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 07:22:47,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 07:22:47,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 07:22:47,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 07:22:47,217 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 07:22:47,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 07:22:47,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 07:22:47,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 07:22:47,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 07:22:47,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 07:22:47,229 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 07:22:47,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 07:22:47,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 07:22:47,234 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 07:22:47,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 07:22:47,235 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 07:22:47,235 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 07:22:47,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 07:22:47,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 07:22:47,237 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 07:22:47,261 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 07:22:47,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 07:22:47,263 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 07:22:47,265 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 07:22:47,265 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 07:22:47,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 07:22:47,265 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 07:22:47,266 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 07:22:47,267 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 07:22:47,267 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 07:22:47,267 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 07:22:47,267 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 07:22:47,267 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 07:22:47,268 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 07:22:47,268 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 07:22:47,269 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 07:22:47,269 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 07:22:47,269 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 07:22:47,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 07:22:47,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 07:22:47,270 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 07:22:47,272 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 07:22:47,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:22:47,272 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 07:22:47,272 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 07:22:47,272 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 07:22:47,273 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 07:22:47,273 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 07:22:47,274 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 07:22:47,274 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 07:22:47,274 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9eabaef1f2b99f50e18602924ca00b4cf8f91d [2019-01-12 07:22:47,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 07:22:47,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 07:22:47,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 07:22:47,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 07:22:47,336 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 07:22:47,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2019-01-12 07:22:47,408 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707597045/589c19f04bd3457ca923a80e1c67beaf/FLAGd4e2ef18f [2019-01-12 07:22:47,814 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 07:22:47,814 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-cdfpl/newton_1_8_false-unreach-call_true-termination.i [2019-01-12 07:22:47,820 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707597045/589c19f04bd3457ca923a80e1c67beaf/FLAGd4e2ef18f [2019-01-12 07:22:48,202 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707597045/589c19f04bd3457ca923a80e1c67beaf [2019-01-12 07:22:48,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 07:22:48,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 07:22:48,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 07:22:48,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 07:22:48,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 07:22:48,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58624017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48, skipping insertion in model container [2019-01-12 07:22:48,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 07:22:48,252 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 07:22:48,490 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:22:48,505 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 07:22:48,538 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 07:22:48,562 INFO L195 MainTranslator]: Completed translation [2019-01-12 07:22:48,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48 WrapperNode [2019-01-12 07:22:48,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 07:22:48,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 07:22:48,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 07:22:48,564 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 07:22:48,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 07:22:48,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 07:22:48,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 07:22:48,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 07:22:48,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... [2019-01-12 07:22:48,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 07:22:48,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 07:22:48,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 07:22:48,670 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 07:22:48,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 07:22:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 07:22:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 07:22:55,002 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 07:22:55,003 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 07:22:55,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:22:55 BoogieIcfgContainer [2019-01-12 07:22:55,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 07:22:55,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 07:22:55,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 07:22:55,014 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 07:22:55,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 07:22:48" (1/3) ... [2019-01-12 07:22:55,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cef862c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:22:55, skipping insertion in model container [2019-01-12 07:22:55,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 07:22:48" (2/3) ... [2019-01-12 07:22:55,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cef862c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 07:22:55, skipping insertion in model container [2019-01-12 07:22:55,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:22:55" (3/3) ... [2019-01-12 07:22:55,017 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_8_false-unreach-call_true-termination.i [2019-01-12 07:22:55,026 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 07:22:55,033 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 07:22:55,046 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 07:22:55,079 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 07:22:55,080 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 07:22:55,080 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 07:22:55,080 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 07:22:55,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 07:22:55,081 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 07:22:55,082 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 07:22:55,082 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 07:22:55,082 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 07:22:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-01-12 07:22:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-12 07:22:55,113 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 07:22:55,114 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-12 07:22:55,117 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 07:22:55,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 07:22:55,122 INFO L82 PathProgramCache]: Analyzing trace with hash 889475942, now seen corresponding path program 1 times [2019-01-12 07:22:55,126 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 07:22:55,126 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 07:22:55,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 07:22:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:23:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 07:23:13,713 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 07:23:13,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 07:23:13 BoogieIcfgContainer [2019-01-12 07:23:13,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 07:23:13,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 07:23:13,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 07:23:13,743 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 07:23:13,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 07:22:55" (3/4) ... [2019-01-12 07:23:13,747 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 07:23:13,796 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 07:23:13,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 07:23:13,797 INFO L168 Benchmark]: Toolchain (without parser) took 25590.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2019-01-12 07:23:13,800 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:23:13,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.91 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 07:23:13,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.01 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:23:13,802 INFO L168 Benchmark]: Boogie Preprocessor took 53.47 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 07:23:13,802 INFO L168 Benchmark]: RCFGBuilder took 6334.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-12 07:23:13,803 INFO L168 Benchmark]: TraceAbstraction took 18737.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-01-12 07:23:13,804 INFO L168 Benchmark]: Witness Printer took 53.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-01-12 07:23:13,809 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.91 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.01 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.47 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 6334.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18737.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. UNSAFE Result, 18.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...